1 /* 2 * Support for Sharp SL-Cxx00 Series of PDAs 3 * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi) 4 * 5 * Copyright (c) 2005 Richard Purdie 6 * 7 * Based on Sharp's 2.4 kernel patches/lubbock.c 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 as 11 * published by the Free Software Foundation. 12 * 13 */ 14 15 #include <linux/kernel.h> 16 #include <linux/init.h> 17 #include <linux/platform_device.h> 18 #include <linux/delay.h> 19 #include <linux/major.h> 20 #include <linux/fs.h> 21 #include <linux/interrupt.h> 22 #include <linux/gpio.h> 23 #include <linux/leds.h> 24 #include <linux/mmc/host.h> 25 #include <linux/mtd/physmap.h> 26 #include <linux/pm.h> 27 #include <linux/backlight.h> 28 #include <linux/io.h> 29 #include <linux/i2c.h> 30 #include <linux/i2c/pca953x.h> 31 #include <linux/spi/spi.h> 32 #include <linux/spi/ads7846.h> 33 #include <linux/spi/corgi_lcd.h> 34 #include <linux/mtd/sharpsl.h> 35 36 #include <asm/setup.h> 37 #include <asm/memory.h> 38 #include <asm/mach-types.h> 39 #include <mach/hardware.h> 40 #include <asm/irq.h> 41 #include <asm/system.h> 42 43 #include <asm/mach/arch.h> 44 #include <asm/mach/map.h> 45 #include <asm/mach/irq.h> 46 47 #include <mach/pxa27x.h> 48 #include <mach/pxa27x-udc.h> 49 #include <mach/reset.h> 50 #include <mach/i2c.h> 51 #include <mach/irda.h> 52 #include <mach/mmc.h> 53 #include <mach/ohci.h> 54 #include <mach/udc.h> 55 #include <mach/pxafb.h> 56 #include <mach/pxa2xx_spi.h> 57 #include <mach/spitz.h> 58 #include <mach/sharpsl.h> 59 60 #include <asm/mach/sharpsl_param.h> 61 #include <asm/hardware/scoop.h> 62 63 #include "generic.h" 64 #include "devices.h" 65 #include "sharpsl.h" 66 67 static unsigned long spitz_pin_config[] __initdata = { 68 /* Chip Selects */ 69 GPIO78_nCS_2, /* SCOOP #2 */ 70 GPIO79_nCS_3, /* NAND */ 71 GPIO80_nCS_4, /* SCOOP #1 */ 72 73 /* LCD - 16bpp Active TFT */ 74 GPIO58_LCD_LDD_0, 75 GPIO59_LCD_LDD_1, 76 GPIO60_LCD_LDD_2, 77 GPIO61_LCD_LDD_3, 78 GPIO62_LCD_LDD_4, 79 GPIO63_LCD_LDD_5, 80 GPIO64_LCD_LDD_6, 81 GPIO65_LCD_LDD_7, 82 GPIO66_LCD_LDD_8, 83 GPIO67_LCD_LDD_9, 84 GPIO68_LCD_LDD_10, 85 GPIO69_LCD_LDD_11, 86 GPIO70_LCD_LDD_12, 87 GPIO71_LCD_LDD_13, 88 GPIO72_LCD_LDD_14, 89 GPIO73_LCD_LDD_15, 90 GPIO74_LCD_FCLK, 91 GPIO75_LCD_LCLK, 92 GPIO76_LCD_PCLK, 93 94 /* PC Card */ 95 GPIO48_nPOE, 96 GPIO49_nPWE, 97 GPIO50_nPIOR, 98 GPIO51_nPIOW, 99 GPIO85_nPCE_1, 100 GPIO54_nPCE_2, 101 GPIO55_nPREG, 102 GPIO56_nPWAIT, 103 GPIO57_nIOIS16, 104 GPIO104_PSKTSEL, 105 106 /* I2S */ 107 GPIO28_I2S_BITCLK_OUT, 108 GPIO29_I2S_SDATA_IN, 109 GPIO30_I2S_SDATA_OUT, 110 GPIO31_I2S_SYNC, 111 112 /* MMC */ 113 GPIO32_MMC_CLK, 114 GPIO112_MMC_CMD, 115 GPIO92_MMC_DAT_0, 116 GPIO109_MMC_DAT_1, 117 GPIO110_MMC_DAT_2, 118 GPIO111_MMC_DAT_3, 119 120 /* GPIOs */ 121 GPIO9_GPIO, /* SPITZ_GPIO_nSD_DETECT */ 122 GPIO81_GPIO, /* SPITZ_GPIO_nSD_WP */ 123 GPIO41_GPIO, /* SPITZ_GPIO_USB_CONNECT */ 124 GPIO37_GPIO, /* SPITZ_GPIO_USB_HOST */ 125 GPIO35_GPIO, /* SPITZ_GPIO_USB_DEVICE */ 126 GPIO22_GPIO, /* SPITZ_GPIO_HSYNC */ 127 GPIO94_GPIO, /* SPITZ_GPIO_CF_CD */ 128 GPIO105_GPIO, /* SPITZ_GPIO_CF_IRQ */ 129 GPIO106_GPIO, /* SPITZ_GPIO_CF2_IRQ */ 130 131 /* I2C */ 132 GPIO117_I2C_SCL, 133 GPIO118_I2C_SDA, 134 135 GPIO1_GPIO | WAKEUP_ON_EDGE_RISE, 136 }; 137 138 /* 139 * Spitz SCOOP Device #1 140 */ 141 static struct resource spitz_scoop_resources[] = { 142 [0] = { 143 .start = 0x10800000, 144 .end = 0x10800fff, 145 .flags = IORESOURCE_MEM, 146 }, 147 }; 148 149 static struct scoop_config spitz_scoop_setup = { 150 .io_dir = SPITZ_SCP_IO_DIR, 151 .io_out = SPITZ_SCP_IO_OUT, 152 .suspend_clr = SPITZ_SCP_SUS_CLR, 153 .suspend_set = SPITZ_SCP_SUS_SET, 154 .gpio_base = SPITZ_SCP_GPIO_BASE, 155 }; 156 157 struct platform_device spitzscoop_device = { 158 .name = "sharp-scoop", 159 .id = 0, 160 .dev = { 161 .platform_data = &spitz_scoop_setup, 162 }, 163 .num_resources = ARRAY_SIZE(spitz_scoop_resources), 164 .resource = spitz_scoop_resources, 165 }; 166 167 /* 168 * Spitz SCOOP Device #2 169 */ 170 static struct resource spitz_scoop2_resources[] = { 171 [0] = { 172 .start = 0x08800040, 173 .end = 0x08800fff, 174 .flags = IORESOURCE_MEM, 175 }, 176 }; 177 178 static struct scoop_config spitz_scoop2_setup = { 179 .io_dir = SPITZ_SCP2_IO_DIR, 180 .io_out = SPITZ_SCP2_IO_OUT, 181 .suspend_clr = SPITZ_SCP2_SUS_CLR, 182 .suspend_set = SPITZ_SCP2_SUS_SET, 183 .gpio_base = SPITZ_SCP2_GPIO_BASE, 184 }; 185 186 struct platform_device spitzscoop2_device = { 187 .name = "sharp-scoop", 188 .id = 1, 189 .dev = { 190 .platform_data = &spitz_scoop2_setup, 191 }, 192 .num_resources = ARRAY_SIZE(spitz_scoop2_resources), 193 .resource = spitz_scoop2_resources, 194 }; 195 196 #define SPITZ_PWR_SD 0x01 197 #define SPITZ_PWR_CF 0x02 198 199 /* Power control is shared with between one of the CF slots and SD */ 200 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr) 201 { 202 unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR); 203 204 if (new_cpr & 0x0007) { 205 gpio_set_value(SPITZ_GPIO_CF_POWER, 1); 206 if (!(cpr & 0x0002) && !(cpr & 0x0004)) 207 mdelay(5); 208 if (device == SPITZ_PWR_CF) 209 cpr |= 0x0002; 210 if (device == SPITZ_PWR_SD) 211 cpr |= 0x0004; 212 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr); 213 } else { 214 if (device == SPITZ_PWR_CF) 215 cpr &= ~0x0002; 216 if (device == SPITZ_PWR_SD) 217 cpr &= ~0x0004; 218 if (!(cpr & 0x0002) && !(cpr & 0x0004)) { 219 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000); 220 mdelay(1); 221 gpio_set_value(SPITZ_GPIO_CF_POWER, 0); 222 } else { 223 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr); 224 } 225 } 226 } 227 228 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr) 229 { 230 /* Only need to override behaviour for slot 0 */ 231 if (nr == 0) 232 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr); 233 else 234 write_scoop_reg(scoop, SCOOP_CPR, cpr); 235 } 236 237 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = { 238 { 239 .dev = &spitzscoop_device.dev, 240 .irq = SPITZ_IRQ_GPIO_CF_IRQ, 241 .cd_irq = SPITZ_IRQ_GPIO_CF_CD, 242 .cd_irq_str = "PCMCIA0 CD", 243 },{ 244 .dev = &spitzscoop2_device.dev, 245 .irq = SPITZ_IRQ_GPIO_CF2_IRQ, 246 .cd_irq = -1, 247 }, 248 }; 249 250 static struct scoop_pcmcia_config spitz_pcmcia_config = { 251 .devs = &spitz_pcmcia_scoop[0], 252 .num_devs = 2, 253 .power_ctrl = spitz_pcmcia_pwr, 254 }; 255 256 EXPORT_SYMBOL(spitzscoop_device); 257 EXPORT_SYMBOL(spitzscoop2_device); 258 259 /* 260 * Spitz Keyboard Device 261 */ 262 static struct platform_device spitzkbd_device = { 263 .name = "spitz-keyboard", 264 .id = -1, 265 }; 266 267 268 /* 269 * Spitz LEDs 270 */ 271 static struct gpio_led spitz_gpio_leds[] = { 272 { 273 .name = "spitz:amber:charge", 274 .default_trigger = "sharpsl-charge", 275 .gpio = SPITZ_GPIO_LED_ORANGE, 276 }, 277 { 278 .name = "spitz:green:hddactivity", 279 .default_trigger = "ide-disk", 280 .gpio = SPITZ_GPIO_LED_GREEN, 281 }, 282 }; 283 284 static struct gpio_led_platform_data spitz_gpio_leds_info = { 285 .leds = spitz_gpio_leds, 286 .num_leds = ARRAY_SIZE(spitz_gpio_leds), 287 }; 288 289 static struct platform_device spitzled_device = { 290 .name = "leds-gpio", 291 .id = -1, 292 .dev = { 293 .platform_data = &spitz_gpio_leds_info, 294 }, 295 }; 296 297 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) 298 static struct pxa2xx_spi_master spitz_spi_info = { 299 .num_chipselect = 3, 300 }; 301 302 static void spitz_wait_for_hsync(void) 303 { 304 while (gpio_get_value(SPITZ_GPIO_HSYNC)) 305 cpu_relax(); 306 307 while (!gpio_get_value(SPITZ_GPIO_HSYNC)) 308 cpu_relax(); 309 } 310 311 static struct ads7846_platform_data spitz_ads7846_info = { 312 .model = 7846, 313 .vref_delay_usecs = 100, 314 .x_plate_ohms = 419, 315 .y_plate_ohms = 486, 316 .gpio_pendown = SPITZ_GPIO_TP_INT, 317 .wait_for_sync = spitz_wait_for_hsync, 318 }; 319 320 static void spitz_ads7846_cs(u32 command) 321 { 322 gpio_set_value(SPITZ_GPIO_ADS7846_CS, !(command == PXA2XX_CS_ASSERT)); 323 } 324 325 static struct pxa2xx_spi_chip spitz_ads7846_chip = { 326 .cs_control = spitz_ads7846_cs, 327 }; 328 329 static void spitz_bl_kick_battery(void) 330 { 331 void (*kick_batt)(void); 332 333 kick_batt = symbol_get(sharpsl_battery_kick); 334 if (kick_batt) { 335 kick_batt(); 336 symbol_put(sharpsl_battery_kick); 337 } 338 } 339 340 static struct corgi_lcd_platform_data spitz_lcdcon_info = { 341 .init_mode = CORGI_LCD_MODE_VGA, 342 .max_intensity = 0x2f, 343 .default_intensity = 0x1f, 344 .limit_mask = 0x0b, 345 .gpio_backlight_cont = SPITZ_GPIO_BACKLIGHT_CONT, 346 .gpio_backlight_on = SPITZ_GPIO_BACKLIGHT_ON, 347 .kick_battery = spitz_bl_kick_battery, 348 }; 349 350 static void spitz_lcdcon_cs(u32 command) 351 { 352 gpio_set_value(SPITZ_GPIO_LCDCON_CS, !(command == PXA2XX_CS_ASSERT)); 353 } 354 355 static struct pxa2xx_spi_chip spitz_lcdcon_chip = { 356 .cs_control = spitz_lcdcon_cs, 357 }; 358 359 static void spitz_max1111_cs(u32 command) 360 { 361 gpio_set_value(SPITZ_GPIO_MAX1111_CS, !(command == PXA2XX_CS_ASSERT)); 362 } 363 364 static struct pxa2xx_spi_chip spitz_max1111_chip = { 365 .cs_control = spitz_max1111_cs, 366 }; 367 368 static struct spi_board_info spitz_spi_devices[] = { 369 { 370 .modalias = "ads7846", 371 .max_speed_hz = 1200000, 372 .bus_num = 2, 373 .chip_select = 0, 374 .platform_data = &spitz_ads7846_info, 375 .controller_data= &spitz_ads7846_chip, 376 .irq = gpio_to_irq(SPITZ_GPIO_TP_INT), 377 }, { 378 .modalias = "corgi-lcd", 379 .max_speed_hz = 50000, 380 .bus_num = 2, 381 .chip_select = 1, 382 .platform_data = &spitz_lcdcon_info, 383 .controller_data= &spitz_lcdcon_chip, 384 }, { 385 .modalias = "max1111", 386 .max_speed_hz = 450000, 387 .bus_num = 2, 388 .chip_select = 2, 389 .controller_data= &spitz_max1111_chip, 390 }, 391 }; 392 393 static void __init spitz_init_spi(void) 394 { 395 int err; 396 397 err = gpio_request(SPITZ_GPIO_ADS7846_CS, "ADS7846_CS"); 398 if (err) 399 return; 400 401 err = gpio_request(SPITZ_GPIO_LCDCON_CS, "LCDCON_CS"); 402 if (err) 403 goto err_free_1; 404 405 err = gpio_request(SPITZ_GPIO_MAX1111_CS, "MAX1111_CS"); 406 if (err) 407 goto err_free_2; 408 409 err = gpio_direction_output(SPITZ_GPIO_ADS7846_CS, 1); 410 if (err) 411 goto err_free_3; 412 err = gpio_direction_output(SPITZ_GPIO_LCDCON_CS, 1); 413 if (err) 414 goto err_free_3; 415 err = gpio_direction_output(SPITZ_GPIO_MAX1111_CS, 1); 416 if (err) 417 goto err_free_3; 418 419 if (machine_is_akita()) { 420 spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT; 421 spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON; 422 } 423 424 pxa2xx_set_spi_info(2, &spitz_spi_info); 425 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices)); 426 return; 427 428 err_free_3: 429 gpio_free(SPITZ_GPIO_MAX1111_CS); 430 err_free_2: 431 gpio_free(SPITZ_GPIO_LCDCON_CS); 432 err_free_1: 433 gpio_free(SPITZ_GPIO_ADS7846_CS); 434 } 435 #else 436 static inline void spitz_init_spi(void) {} 437 #endif 438 439 /* 440 * MMC/SD Device 441 * 442 * The card detect interrupt isn't debounced so we delay it by 250ms 443 * to give the card a chance to fully insert/eject. 444 */ 445 446 static struct pxamci_platform_data spitz_mci_platform_data; 447 448 static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data) 449 { 450 int err; 451 452 err = gpio_request(SPITZ_GPIO_nSD_DETECT, "nSD_DETECT"); 453 if (err) 454 goto err_out; 455 456 err = gpio_request(SPITZ_GPIO_nSD_WP, "nSD_WP"); 457 if (err) 458 goto err_free_1; 459 460 gpio_direction_input(SPITZ_GPIO_nSD_DETECT); 461 gpio_direction_input(SPITZ_GPIO_nSD_WP); 462 463 spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250); 464 465 err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int, 466 IRQF_DISABLED | IRQF_TRIGGER_RISING | 467 IRQF_TRIGGER_FALLING, 468 "MMC card detect", data); 469 if (err) { 470 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n", 471 __func__); 472 goto err_free_2; 473 } 474 return 0; 475 476 err_free_2: 477 gpio_free(SPITZ_GPIO_nSD_WP); 478 err_free_1: 479 gpio_free(SPITZ_GPIO_nSD_DETECT); 480 err_out: 481 return err; 482 } 483 484 static void spitz_mci_setpower(struct device *dev, unsigned int vdd) 485 { 486 struct pxamci_platform_data* p_d = dev->platform_data; 487 488 if (( 1 << vdd) & p_d->ocr_mask) 489 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004); 490 else 491 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000); 492 } 493 494 static int spitz_mci_get_ro(struct device *dev) 495 { 496 return gpio_get_value(SPITZ_GPIO_nSD_WP); 497 } 498 499 static void spitz_mci_exit(struct device *dev, void *data) 500 { 501 free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data); 502 gpio_free(SPITZ_GPIO_nSD_WP); 503 gpio_free(SPITZ_GPIO_nSD_DETECT); 504 } 505 506 static struct pxamci_platform_data spitz_mci_platform_data = { 507 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, 508 .init = spitz_mci_init, 509 .get_ro = spitz_mci_get_ro, 510 .setpower = spitz_mci_setpower, 511 .exit = spitz_mci_exit, 512 }; 513 514 515 /* 516 * USB Host (OHCI) 517 */ 518 static int spitz_ohci_init(struct device *dev) 519 { 520 int err; 521 522 err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST"); 523 if (err) 524 return err; 525 526 /* Only Port 2 is connected 527 * Setup USB Port 2 Output Control Register 528 */ 529 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE; 530 531 return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1); 532 } 533 534 static void spitz_ohci_exit(struct device *dev) 535 { 536 gpio_free(SPITZ_GPIO_USB_HOST); 537 } 538 539 static struct pxaohci_platform_data spitz_ohci_platform_data = { 540 .port_mode = PMM_NPS_MODE, 541 .init = spitz_ohci_init, 542 .exit = spitz_ohci_exit, 543 .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION, 544 .power_budget = 150, 545 }; 546 547 548 /* 549 * Irda 550 */ 551 static int spitz_irda_startup(struct device *dev) 552 { 553 int rc; 554 555 rc = gpio_request(SPITZ_GPIO_IR_ON, "IrDA on"); 556 if (rc) 557 goto err; 558 559 rc = gpio_direction_output(SPITZ_GPIO_IR_ON, 1); 560 if (rc) 561 goto err_dir; 562 563 return 0; 564 565 err_dir: 566 gpio_free(SPITZ_GPIO_IR_ON); 567 err: 568 return rc; 569 } 570 571 static void spitz_irda_shutdown(struct device *dev) 572 { 573 gpio_free(SPITZ_GPIO_IR_ON); 574 } 575 576 static void spitz_irda_transceiver_mode(struct device *dev, int mode) 577 { 578 gpio_set_value(SPITZ_GPIO_IR_ON, mode & IR_OFF); 579 pxa2xx_transceiver_mode(dev, mode); 580 } 581 582 #ifdef CONFIG_MACH_AKITA 583 static void akita_irda_transceiver_mode(struct device *dev, int mode) 584 { 585 gpio_set_value(AKITA_GPIO_IR_ON, mode & IR_OFF); 586 pxa2xx_transceiver_mode(dev, mode); 587 } 588 #endif 589 590 static struct pxaficp_platform_data spitz_ficp_platform_data = { 591 .transceiver_cap = IR_SIRMODE | IR_OFF, 592 .transceiver_mode = spitz_irda_transceiver_mode, 593 .startup = spitz_irda_startup, 594 .shutdown = spitz_irda_shutdown, 595 }; 596 597 598 /* 599 * Spitz PXA Framebuffer 600 */ 601 602 static struct pxafb_mode_info spitz_pxafb_modes[] = { 603 { 604 .pixclock = 19231, 605 .xres = 480, 606 .yres = 640, 607 .bpp = 16, 608 .hsync_len = 40, 609 .left_margin = 46, 610 .right_margin = 125, 611 .vsync_len = 3, 612 .upper_margin = 1, 613 .lower_margin = 0, 614 .sync = 0, 615 },{ 616 .pixclock = 134617, 617 .xres = 240, 618 .yres = 320, 619 .bpp = 16, 620 .hsync_len = 20, 621 .left_margin = 20, 622 .right_margin = 46, 623 .vsync_len = 2, 624 .upper_margin = 1, 625 .lower_margin = 0, 626 .sync = 0, 627 }, 628 }; 629 630 static struct pxafb_mach_info spitz_pxafb_info = { 631 .modes = &spitz_pxafb_modes[0], 632 .num_modes = 2, 633 .fixed_modes = 1, 634 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING, 635 }; 636 637 static struct mtd_partition sharpsl_nand_partitions[] = { 638 { 639 .name = "System Area", 640 .offset = 0, 641 .size = 7 * 1024 * 1024, 642 }, 643 { 644 .name = "Root Filesystem", 645 .offset = 7 * 1024 * 1024, 646 }, 647 { 648 .name = "Home Filesystem", 649 .offset = MTDPART_OFS_APPEND, 650 .size = MTDPART_SIZ_FULL, 651 }, 652 }; 653 654 static uint8_t scan_ff_pattern[] = { 0xff, 0xff }; 655 656 static struct nand_bbt_descr sharpsl_bbt = { 657 .options = 0, 658 .offs = 4, 659 .len = 2, 660 .pattern = scan_ff_pattern 661 }; 662 663 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = { 664 .badblock_pattern = &sharpsl_bbt, 665 .partitions = sharpsl_nand_partitions, 666 .nr_partitions = ARRAY_SIZE(sharpsl_nand_partitions), 667 }; 668 669 static struct resource sharpsl_nand_resources[] = { 670 { 671 .start = 0x0C000000, 672 .end = 0x0C000FFF, 673 .flags = IORESOURCE_MEM, 674 }, 675 }; 676 677 static struct platform_device sharpsl_nand_device = { 678 .name = "sharpsl-nand", 679 .id = -1, 680 .resource = sharpsl_nand_resources, 681 .num_resources = ARRAY_SIZE(sharpsl_nand_resources), 682 .dev.platform_data = &sharpsl_nand_platform_data, 683 }; 684 685 686 static struct mtd_partition sharpsl_rom_parts[] = { 687 { 688 .name ="Boot PROM Filesystem", 689 .offset = 0x00140000, 690 .size = MTDPART_SIZ_FULL, 691 }, 692 }; 693 694 static struct physmap_flash_data sharpsl_rom_data = { 695 .width = 2, 696 .nr_parts = ARRAY_SIZE(sharpsl_rom_parts), 697 .parts = sharpsl_rom_parts, 698 }; 699 700 static struct resource sharpsl_rom_resources[] = { 701 { 702 .start = 0x00000000, 703 .end = 0x007fffff, 704 .flags = IORESOURCE_MEM, 705 }, 706 }; 707 708 static struct platform_device sharpsl_rom_device = { 709 .name = "physmap-flash", 710 .id = -1, 711 .resource = sharpsl_rom_resources, 712 .num_resources = ARRAY_SIZE(sharpsl_rom_resources), 713 .dev.platform_data = &sharpsl_rom_data, 714 }; 715 716 static struct platform_device *devices[] __initdata = { 717 &spitzscoop_device, 718 &spitzkbd_device, 719 &spitzled_device, 720 &sharpsl_nand_device, 721 &sharpsl_rom_device, 722 }; 723 724 static void spitz_poweroff(void) 725 { 726 arm_machine_restart('g', NULL); 727 } 728 729 static void spitz_restart(char mode, const char *cmd) 730 { 731 /* Bootloader magic for a reboot */ 732 if((MSC0 & 0xffff0000) == 0x7ff00000) 733 MSC0 = (MSC0 & 0xffff) | 0x7ee00000; 734 735 spitz_poweroff(); 736 } 737 738 static void __init common_init(void) 739 { 740 init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0); 741 pm_power_off = spitz_poweroff; 742 arm_pm_restart = spitz_restart; 743 744 if (machine_is_spitz()) { 745 sharpsl_nand_partitions[1].size = 5 * 1024 * 1024; 746 } else if (machine_is_akita()) { 747 sharpsl_nand_partitions[1].size = 58 * 1024 * 1024; 748 } else if (machine_is_borzoi()) { 749 sharpsl_nand_partitions[1].size = 32 * 1024 * 1024; 750 } 751 752 PMCR = 0x00; 753 754 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ 755 PCFR |= PCFR_OPDE; 756 757 pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config)); 758 759 spitz_init_spi(); 760 761 platform_add_devices(devices, ARRAY_SIZE(devices)); 762 pxa_set_mci_info(&spitz_mci_platform_data); 763 pxa_set_ohci_info(&spitz_ohci_platform_data); 764 pxa_set_ficp_info(&spitz_ficp_platform_data); 765 set_pxa_fb_info(&spitz_pxafb_info); 766 pxa_set_i2c_info(NULL); 767 } 768 769 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI) 770 static void __init spitz_init(void) 771 { 772 platform_scoop_config = &spitz_pcmcia_config; 773 774 common_init(); 775 776 platform_device_register(&spitzscoop2_device); 777 } 778 #endif 779 780 #ifdef CONFIG_MACH_AKITA 781 /* 782 * Akita IO Expander 783 */ 784 static struct pca953x_platform_data akita_ioexp = { 785 .gpio_base = AKITA_IOEXP_GPIO_BASE, 786 }; 787 788 static struct i2c_board_info akita_i2c_board_info[] = { 789 { 790 .type = "max7310", 791 .addr = 0x18, 792 .platform_data = &akita_ioexp, 793 }, 794 }; 795 796 static struct nand_bbt_descr sharpsl_akita_bbt = { 797 .options = 0, 798 .offs = 4, 799 .len = 1, 800 .pattern = scan_ff_pattern 801 }; 802 803 static struct nand_ecclayout akita_oobinfo = { 804 .eccbytes = 24, 805 .eccpos = { 806 0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11, 807 0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23, 808 0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37}, 809 .oobfree = {{0x08, 0x09}} 810 }; 811 812 static void __init akita_init(void) 813 { 814 spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode; 815 816 sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt; 817 sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo; 818 819 /* We just pretend the second element of the array doesn't exist */ 820 spitz_pcmcia_config.num_devs = 1; 821 platform_scoop_config = &spitz_pcmcia_config; 822 823 i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info)); 824 825 common_init(); 826 } 827 #endif 828 829 static void __init fixup_spitz(struct machine_desc *desc, 830 struct tag *tags, char **cmdline, struct meminfo *mi) 831 { 832 sharpsl_save_param(); 833 mi->nr_banks = 1; 834 mi->bank[0].start = 0xa0000000; 835 mi->bank[0].node = 0; 836 mi->bank[0].size = (64*1024*1024); 837 } 838 839 #ifdef CONFIG_MACH_SPITZ 840 MACHINE_START(SPITZ, "SHARP Spitz") 841 .phys_io = 0x40000000, 842 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, 843 .fixup = fixup_spitz, 844 .map_io = pxa_map_io, 845 .init_irq = pxa27x_init_irq, 846 .init_machine = spitz_init, 847 .timer = &pxa_timer, 848 MACHINE_END 849 #endif 850 851 #ifdef CONFIG_MACH_BORZOI 852 MACHINE_START(BORZOI, "SHARP Borzoi") 853 .phys_io = 0x40000000, 854 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, 855 .fixup = fixup_spitz, 856 .map_io = pxa_map_io, 857 .init_irq = pxa27x_init_irq, 858 .init_machine = spitz_init, 859 .timer = &pxa_timer, 860 MACHINE_END 861 #endif 862 863 #ifdef CONFIG_MACH_AKITA 864 MACHINE_START(AKITA, "SHARP Akita") 865 .phys_io = 0x40000000, 866 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, 867 .fixup = fixup_spitz, 868 .map_io = pxa_map_io, 869 .init_irq = pxa27x_init_irq, 870 .init_machine = akita_init, 871 .timer = &pxa_timer, 872 MACHINE_END 873 #endif 874